oilfield drill pipe
oilfield drill pipe
Drill pipe plays a decisive role in the process of drilling, it transfered the drilling torque to drill bit, inordertodrillingunder the well. When it is drilling,drill pipe has complicated load, at the same time it is subjected to stress such as pulling,pressing,torsion and bending, and drill pipe string itself is an elastic system, drilling fluid in the process of drilling and the vibration of the drilling string makes the drill pipe under a great load.
Drill Pipe Type:
E75、X95、G105、S135.
steel drill pipe supplier:Found Petroleum Equipment
Technical Parameters:
|
Specification |
Nominal weight |
Flat end weight |
Outer diameter O.D. |
Wall thickness |
Steel grade |
Upset end for weld-on drill pipe joint |
|||
|
lb/ft |
kg/m |
in |
mm |
in |
（Ton）mm |
||||
|
2 3/8 |
E, X, G, S |
EU |
|||||||
|
2 7/8 |
73 |
E, X, G, S |
IU/EU |
||||||
|
3 1/2 |
E |
IU/EU |
|||||||
|
3 1/2 |
E, X, G, S |
IU/EU |
|||||||
|
3 1/2 |
E |
IU/EU |
|||||||
|
3 1/2 |
X, G, S |
IU/EU |
|||||||
|
4 |
14 |
4 |
E, X, G, S |
IU/EU |
|||||
|
4 1/2 |
E |
IU/EU |
|||||||
|
4 1/2 |
15 |
E, X, G, S |
EU/IEU |
||||||
|
4 1/2 |
20 |
E, X, G, S |
EU/IEU |
||||||
|
5 |
5 |
127 |
X, G, S |
IU |
|||||
|
5 |
5 |
127 |
E |
IEU |
|||||
|
5 |
5 |
127 |
X, G, S |
EU/IEU |
|||||
|
5 |
5 |
127 |
E |
IEU |
|||||
|
5 |
5 |
127 |
X, G, S |
EU/IEU |
|||||
|
5 1/2 |
E, X, G, S |
IEU |
|||||||
|
5 1/2 |
E, X, G, S |
IEU |
|||||||
|
6 5/8 |
E, X, G, S |
IEU |
|||||||
|
6 5/8 |
E, X, G, S |
IEU |
|||||||
|
Mechanical Property of Friction Welding Zone |
Yield Strength |
Tensile Strength |
Elongation |
Guided Bend |
Impact Energy（Akv） |
HRC |
|
|
Item |
|||||||
|
MPa |
MPa |
% |
J |
||||
|
Standard |
Steel Grade |
Tensile Test Piece：￠12.5； Impact specimen：10×10 Charpy -V、20℃ |
|||||
|
SY/T5561-92 Welding area Regulations |
E-75 |
≥517 |
≥689 |
≥13 |
/ |
Average≥20Mini. value≥15 |
/ |
|
X-95 |
≥609 |
≥712 |
/ |
/ |
|||
|
G-105 |
≥655 |
≥724 |
/ |
/ |
|||
|
S-135 |
≥724 |
≥793 |
/ |
/ |
|||
|
API Welding area Regulations |
E-75 |
≥609 |
≥712 |
Bending plane cracks in any direction≤3.175mm |
Average≥27Mini. value≥23 |
HAZ内HRC≤37 |
|
|
X-95 |
≥655 |
≥724 |
|||||
|
G-105 |
≥724 |
≥793 |
|||||
|
S-135 |
≥392778793 |
≥4211000 |
|||||
|
API Pipe Body Regulations |
E-75 |
≥517≤724 |
≥689 |
/ |
Average≥54Mini. value≥47 |
/ |
|
|
X-95 |
≥655≤862 |
≥724 |
|||||
|
G-105 |
≥724≤931 |
≥793 |
|||||
|
S-135 |
≥931≤1138 |
≥1000 |
|||||
|
Welding Drill Pipe Parameters list (According to API standard) |
||||||||||||
|
Wall Thickness |
Pipe Body Upsetting |
Grade |
Drill Pipe Length（m） |
Joint O.D. |
Thread Type |
Weight |
||||||
|
inch |
mm |
inch |
mm |
Range1 |
Range2 |
Range3 |
kg/m |
|||||
|
2-3/8 |
EU |
X、G |
NC26 |
|||||||||
|
2-7/8 |
EU |
X、G |
NC31 |
|||||||||
|
2-7/8 |
EU |
S |
NC31 |
|||||||||
|
3-1/2 |
EU |
G |
NC38 |
|||||||||
|
3-1/2 |
EU |
S |
NC38 |
|||||||||
|
3-1/2 |
EU |
G |
NC38 |
|||||||||
|
3-1/2 |
EU |
S |
NC40 |
|||||||||
|
4 |
IU |
G |
NC40 |
|||||||||
|
4 |
IU |
S |
NC40 |
|||||||||
|
4 |
EU |
X、G |
NC46 |
|||||||||
|
4 |
EU |
S |
NC46 |
|||||||||
|
4-1/2 |
EU |
X、G |
NC50 |
|||||||||
|
4-1/2 |
EU |
S |
NC50 |
|||||||||
|
4-1/2 |
EU |
X、G |
NC50 |
|||||||||
|
4-1/2 |
EU |
S |
NC50 |
|||||||||
|
4-1/2 |
IEU |
X、G |
NC46 |
|||||||||
|
4-1/2 |
IEU |
S |
NC46 |
|||||||||
|
4-1/2 |
IEU |
G |
NC46 |
|||||||||
|
4-1/2 |
IEU |
S |
NC46 |
|||||||||
|
5 |
IEU |
G |
NC50 |
|||||||||
|
5 |
IEU |
S |
NC50 |
|||||||||
|
5 |
IEU |
X、G |
5 1/2FH |
|||||||||
|
5 |
IEU |
S |
5 1/2FH |
|||||||||
|
5 |
IEU |
G |
NC50 |
|||||||||
|
5 |
IEU |
G |
5 1/2FH |
|||||||||
|
5 |
IEU |
S |
5 1/2FH |
|||||||||
|
5-1/2 |
IEU |
G |
5 1/2FH |
|||||||||
|
5-1/2 |
IEU |
S |
5 1/2FH |
|||||||||
|
5-1/2 |
IEU |
X、G |
5 1/2FH |
|||||||||
|
5-1/2 |
IEU |
S |
5 1/2FH |
|||||||||
|
Note: 1. The IU EU IEU is internal upset,external upset and internal-external upset. 2.The thread has a right-handed left rotation and copper plating or phosphating 3. This table is used for steel drill pipe, and lower steel grade drill pipe can also be supplied |
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Drill pipe production advantage:
Using the current domestic and foreign advanced heat treatment technology of friction welding deformation, it has small heat affected zone, after welding the stress transition region is more easy to eliminate. Strictly implement the process evaluation of welding deformation heat treatment standard and optimized parameter, to ensure the welding quality is better, more stable and reliable.
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